Best AI Agent Skills for API Development (2026)
The best SKILL.md skills for building APIs. REST design, GraphQL, auth flows, rate limiting, and auto-documentation across all compatible agents.
6 min
Updated weekly · 448+ guides
The PromptSpace Blog
Deep guides, model comparisons and battle-tested prompt patterns for Midjourney, DALL-E, GPT, Stable Diffusion & FLUX. Written by builders, reviewed for accuracy.
- Published weekly since 2024
- Fact-checked editorial policy
- Cited across AI assistants
Browse by topic
Curated hubs — pillar pages ranking for their core intent.
AI Image Generation
Midjourney, DALL-E, FLUX & Stable Diffusion — model guides and prompt recipes.
14 articles
Prompt Engineering
Frameworks, patterns and playbooks that actually improve model output.
8 articles
Model Comparisons
Head-to-head benchmarks: which model wins for which use-case.
5 articles
AI News & Releases
Model launches, feature updates and industry shifts — fast summaries.
0 articles
Editor’s picks
The three articles readers finish and share this week.
Latest articles
24 articles
Composio Alternatives: Best AI Agent Integration Platforms (2026)
Looking for Composio alternatives? Comparing the best AI agent integration platforms — from MCP-native setups to curated marketplaces.
6 min
Gemini CLI vs Claude Code: Complete Comparison for Developers (2026)
Gemini CLI and Claude Code are the two leading terminal-based AI coding agents. Feature comparison, performance, MCP support, and which one fits your workflow.
7 min
Skills Marketplace: The New App Store for AI Agents
AI agent skills marketplaces are creating a new category — the app store for AI coding agents. What's happening, who's building, and why it matters.
6 min
The Future of AI Agent Plugins: From GPT Store to MCP
ChatGPT plugins launched and fizzled. The GPT Store had a quiet start. Now MCP and SKILL.md are reshaping how AI agents extend their capabilities.
7 min
How to Share SKILL.md Skills Across AI Agents
Move SKILL.md skills between Claude Code, OpenClaw, Codex CLI, Cursor, and Gemini CLI. Copy, symlink, or use MCP — no modifications needed.
5 min
How to Promote Your Skills on Agensi
How to promote your SKILL.md skills and drive installs. Reddit, X, dev.to, Discord strategies. Creators who promote sell 2-3x more.
5 min
Best Testing Skills for AI Coding Agents (2026)
The best SKILL.md testing skills for any AI coding agent. Unit testing, coverage analysis, and E2E — works across Claude Code, OpenClaw, Codex CLI, and Cursor.
5 min
SKILL.md Not Loading? 7 Fixes That Actually Work
7 reasons SKILL.md skills silently fail — wrong path, nested folders, bad YAML frontmatter, description triggers, agent conflicts. Fix in under 5 minutes, works for any agent.
6 min
The Quiet Standardization of AI Agent Skills
Anthropic, OpenAI, Google, GitHub, and 20+ independent developers converged on the same file format for AI agent customization — without a standards body or coordination. Here's how it happened.
4 min
Best Code Review Skills for AI Coding Agents (2026)
The best SKILL.md code review skills for AI coding agents. Covers security scanning, performance review, and style enforcement — tested and working across Claude Code, OpenClaw, Codex CLI, and Cursor.
6 min
Where Are Gemini CLI Skills Stored?
Gemini CLI stores skills at ~/.gemini/skills/ for personal and .gemini/skills/ for project-level. Path reference and cross-agent compatibility.
3 min
Install Skills in Codex CLI (3-Step Setup Guide)
Install SKILL.md skills in Codex CLI in 3 steps — path setup, YAML validation, and how to verify Codex loads them. Works cross-platform, no config file needed.
4 min
Where Codex CLI Stores Skills: Exact Paths + Sync Guide
Codex CLI stores skills at ~/.codex/skills/ (global) and .codex/skills/ (project). Path reference, how to sync across machines, and cross-tool compatibility notes.
4 min
How to Use SKILL.md Skills in Cursor
Set up SKILL.md files in Cursor alongside .cursorrules so your coding agent loads the right procedures automatically. Covers installation, path configuration, conflict resolution, and real workflow examples.
4 min
Cursor Rules vs SKILL.md Skills: Which Should You Use?
.cursorrules for always-on project context, SKILL.md for on-demand procedural workflows. This guide explains when to use each, how they complement each other, and the right way to combine both in a single project.
6 min
Where Are Cursor Skills Stored? Exact Paths + Fix Guide
Cursor stores skills at .cursor/skills/ (project) and ~/.cursor/skills/ (global). Full path reference, .cursorrules comparison, and how to migrate skills between projects.
4 min
OpenClaw vs Claude Code: How Do Their Skill Systems Compare?
OpenClaw and Claude Code both use SKILL.md. Here's how their skill systems compare — paths, discovery, context handling, and cross-compatibility.
5 min
How to Install Skills in OpenClaw
Three ways to add SKILL.md skills to OpenClaw — download from Agensi, clone from GitHub, or use MCP. Step-by-step installation guide.
5 min
Best OpenClaw Skills in 2026
The best SKILL.md skills for OpenClaw in 2026. Code review, testing, git automation, DevOps, and documentation — all cross-compatible with Claude Code.
5 min
Every AI Coding Agent That Supports SKILL.md (2026)
Complete list of AI coding agents that support SKILL.md in 2026 — Claude Code, OpenClaw, Codex CLI, Cursor, Gemini CLI, and more. Includes setup instructions and compatibility notes for each platform.
5 min
Frequently asked
Direct answers wrapped in FAQPage schema for AI Overviews.
What is the PromptSpace blog?
A weekly-updated library of practical guides, model reviews and prompt patterns for AI image and language models. Every article is fact-checked before publication and updated when the underlying models change.
Are the prompts free to use commercially?
Yes. Every prompt on PromptSpace is free to copy, modify and use for personal or commercial work. Some paid AI models have their own commercial-use terms — always check your model provider’s licence.
How often is content published?
New long-form guides publish every Friday. News summaries publish within 24 hours of a major model release. Existing guides are re-audited every 90 days for accuracy.
Who writes the articles?
Articles are written by the PromptSpace editorial team led by Shahrukh, with input from builders shipping production AI systems.
Which AI models does the blog cover?
Midjourney, DALL-E, Stable Diffusion, FLUX, Ideogram, Runway and Sora for images/video; GPT, Claude and Gemini for language; plus prompt engineering, agent workflows and creative use-cases.
Can I contribute or suggest a topic?
Yes — pitch topics through the contact page. We accept guest posts from practicing engineers, artists and prompt designers with hands-on model experience.